Drinking more water is not recommended during the active stage of lupus nephritis. Lupus nephritis is systemic lupus erythematosus that involves the kidneys and causes renal damage, and after clinical diagnosis of lupus nephritis, we need to assess the activity of the patient’s condition, and we need to do urine routine, 24-hour urine protein quantification and other tests, and then perfect renal puncture. If the patient’s edema is very heavy, and the 24-hour urine protein quantification is relatively high, or to control the intake of water, if you drink more water, water drainage will further aggravate edema, but also may increase the burden on the heart. If diuretic treatment will cause hypercoagulability of blood, and may cause thromboembolic disease. Lupus nephritis patients in the stable stage if there is no obvious edema, 24-hour urine protein quantitative is not much, the water can be completely excreted, such a situation can also be moderate more water.